硬拉、卧推、引体向上……这些健身动作对于71岁的孙明慧来说，已是家常便饭。 下午两点半，在安徽省马鞍山市花山区的一家健身房内，记者见到了孙明慧。此时，她已经完成了热 身，准备开始"撸铁"（力量训练）："今天准备练臀腿，一共5个动作，每个练4组。" 孙明慧退休后，这几年一直坚持锻炼身体。"我尝试过骑行、跳绳、爬山，运动起来很快乐！"孙明慧 说，2014年，60岁的自己参加了一场万里骑行活动，用45天的时间从黑龙江黑瞎子岛骑行到海南三亚。 2021年，孙明慧看到健美运动员杨新民在健身房"撸铁"的视频，被深深震撼："杨新民比我大5岁，肌肉 线条还能练得这么好，我也想试试。而且相比长时间的户外骑行，在健身房锻炼也更安全。" 说干就干，孙明慧在附近的健身房开始进行力量训练。 训练之初是最痛苦的阶段。"练完了全身酸疼，真觉得是受罪，差点要放弃。"但咬牙坚持了一个月，孙 明慧发现自己的肱二头肌和背阔肌更突出了，"倒三角"身材正在慢慢显现。"看着镜子里面的自己一天 天变好，我更有信心了，也就坚持了下来。"孙明慧说。 "撸铁"4年，孙明慧有一套自己的训练方法：每周至少进行5次力量训练，肩部、手臂、胸部、背部和臀 腿等肌群依次循 ...

Core Viewpoint - The article highlights the increasing trend of elderly individuals engaging in strength training at gyms, showcasing their impressive physical capabilities and the shift in societal perceptions regarding fitness among older adults [10][11][12]. Group 1: Elderly Fitness Trends - More elderly individuals are entering gyms, transitioning from outdoor parks to indoor fitness environments, and becoming formidable competitors against younger gym-goers [8][10]. - The article describes various elderly individuals, such as a 73-year-old man lifting 60 kg and an 80-year-old woman performing pull-ups, emphasizing their remarkable strength and fitness levels [7][18]. - The elderly are adopting a relaxed and enjoyable approach to fitness, focusing on personal enjoyment rather than strict routines, which contrasts with the more regimented training of younger individuals [22][40]. Group 2: Social Dynamics and Family Involvement - Younger generations are encouraging their parents to join gyms, often participating together to foster a shared interest in fitness and improve their parents' health [45][46]. - The article notes that many elderly individuals are discovering hidden fitness talents, surprising their children with their strength and capabilities [53][54]. - The social aspect of gym attendance for the elderly is highlighted, as they engage in conversations and form connections, creating a community atmosphere within the gym [37][38]. Group 3: Health Benefits and Lifestyle Changes - The article discusses the health benefits of strength training for the elderly, including increased muscle mass and improved overall health, which can help prevent injuries and enhance quality of life [119][124]. - It emphasizes the importance of a balanced diet alongside exercise, with elderly individuals adopting healthier eating habits to support their fitness goals [104][118]. - The narrative illustrates how elderly individuals are redefining their lifestyles, prioritizing fitness and health, and finding joy in their physical activities [134][135].